Home / 19,954.57-27,537.21-11,002.72

Finding the Fourth Proportional to 19,954.57, 27,537.21 and 11,002.72

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Solution

The fourth proportional to 19,954.57, 27,537.21 and 11,002.72 is: 15,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.57 : 27,537.21 = 11,002.72 : x
  2. Step 2: Convert to fraction form
    19,954.57/27,537.21 = 11,002.72/x
  3. Step 3: Cross multiply
    19,954.57x = 27,537.21 × 11,002.72
  4. Step 4: Simplify right side
    19,954.57x = 302,984,211.21
  5. Step 5: Solve for x
    x = 302,984,211.21/19,954.57
  6. Step 6: Final answer
    x = 15,183.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.